[PATCH] regmap: debugfs: Work around GCC flow analysis false positives

Mark Brown
2013-01-26T10:01:31Z

Reported-by: Vincent Stehlé <v-stehle@ti.com>
Reported-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
---
drivers/base/regmap/regmap-debugfs.c | 7 +++++++
1 file changed, 7 insertions(+)

diff --git a/drivers/base/regmap/regmap-debugfs.c b/drivers/base/regmap/regmap-debugfs.c
index d9a6c94..c6dc2e9 100644
--- a/drivers/base/regmap/regmap-debugfs.c
+++ b/drivers/base/regmap/regmap-debugfs.c
@@ -133,6 +133,13 @@ static unsigned int regmap_debugfs_get_dump_start(struct regmap *map,
return base;
}

+ /*
+ * Work around GCC flow analysis - it can't figure out we have
+ * at least one loop iteration.
+ */
+ *pos = c->min;
+ ret = c->base_reg;
+
/* Find the relevant block */
list_for_each_entry(c, &map->debugfs_off_cache, list) {
if (from >= c->min && from <= c->max) {
--
1.7.10.4